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    SUAYEA California King Mattress 12 Inch Cal King Mattress in a Box Medium Firm Matterss with Pocket Spring and Soft Foam Ultimate Motion Isolation Strong Edge Support Hybrid Mattress

    SUAYEA California King Mattress 12 Inch Cal King Mattress in a Box Medium Firm Matterss with Pocket Spring and Soft Foam Ultimate Motion Isolation Strong Edge Support Hybrid Mattress

    Sleep is a key time for the body to recover at the end of the day. The best mattress for your needs and preferences is vital to making sure that you are comfortable enough to relax. SUAYEA mattress mattress is made of high-density and first-class... more

    $339.99

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    Ortho Sleep 12 Inch Memory Foam and Innerspring Hybrid Medium-Firm Plush Mattress/Bed-in-a-Box/Pressure Relieving Bliss Calking White

    Ortho Sleep 12 Inch Memory Foam and Innerspring Hybrid Medium-Firm Plush Mattress/Bed-in-a-Box/Pressure Relieving Bliss Calking White

    Phenomenal High-Quality 12-Inch Certified Independently & Individually Wrapped Pocketed Encased Coil Pocket Spring Contour MATTRESS. This Swiss Ortho Sleep Mattress is Temperature Sensitive Body Forming Super Long Lasting High Quality & Extremely... more

    $200.10

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    Best Seller
    California King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium | 84 H x 72 W 9 D in Wayfair BOTBLMF0907

    California King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium | 84 H x 72 W 9 D in Wayfair BOTBLMF0907

    The Botanical Bliss® Organic Latex Mattress is handcrafted in the USA, with the finest quality GOLS certified organic latex, GOTS certified organic cotton, and GOTS certified organic wool. It is also GREENGUARD Gold certified. Highly recommended by... more

    $3,399.00 $2,399.00

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    California King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium | 84 H x 72 W 9 D in Wayfair BOTBLMF0909

    California King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium | 84 H x 72 W 9 D in Wayfair BOTBLMF0909

    The Botanical Bliss® Organic Latex Mattress is handcrafted in the USA, with the finest quality GOLS certified organic latex, GOTS certified organic cotton, and GOTS certified organic wool. It is also GREENGUARD Gold certified. Highly recommended by... more

    $3,598.00 $2,598.00

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    California King Firm 5" Foam Mattress - Alwyn Home 5-Inch Medium Tight top High Density Rolled for RV, Cot, Folding Bed & Daybed | 84 H x 72 W 5 D in Wayfair

    California King Firm 5" Foam Mattress - Alwyn Home 5-Inch Medium Tight top High Density Rolled for RV, Cot, Folding Bed & Daybed | 84 H x 72 W 5 D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for a simple setup, it easily fits through narrow... more

    $945.79 $399.99

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    King Firm 11" Gel/Foam Mattress - Spinal Solution 11-Inch Ananda Pearl & Gel Reactive Latex Memory Foam w/ Zipper, Medium Firm, Breathable | 80 H x 76 W 11 D in Wayfair

    King Firm 11" Gel/Foam Mattress - Spinal Solution 11-Inch Ananda Pearl & Gel Reactive Latex Memory Foam w/ Zipper, Medium Firm, Breathable | 80 H x 76 W 11 D in Wayfair

    The 11" Ananda mattress combines comfort and support with our pearl and gel-infused reactive memory foam. Our reactive foam provides a natural bounce to the foam, providing you with additional push-back support as it conforms to your sleeping position.... more

    $549.99

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    California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

    California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

    The Zoned mattress has 4 specialty targeted zones designed for specific regions of the body. Each zone provides the perfect amount of conformity to keep the spine in a neutral position, allowing you to rest easily. The gel-infused foams and Flex-air... more

    $1,159.99

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    California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

    California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

    The Zoned mattress has 4 specialty targeted zones designed for specific regions of the body. Each zone provides the perfect amount of conformity to keep the spine in a neutral position, allowing you to rest easily. The gel-infused foams and Flex-air... more

    $1,359.99

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    California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

    California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

    The Zoned mattress has 4 specialty targeted zones designed for specific regions of the body. Each zone provides the perfect amount of conformity to keep the spine in a neutral position, allowing you to rest easily. The gel-infused foams and Flex-air... more

    $1,159.99

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    California King Medium Firm 12" Foam Mattress - Wayfair Sleep™ Sleep 12 Inch Pocket Spring w/ CertiPUR-US Certified Layer, Hybrid | 84 H x 72 W D in

    California King Medium Firm 12" Foam Mattress - Wayfair Sleep™ Sleep 12 Inch Pocket Spring w/ CertiPUR-US Certified Layer, Hybrid | 84 H x 72 W D in

    This 12" mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Its layers of memory foam have a medium firmness, a breathable design, and moisture-wicking properties to help... more

    $352.77 $299.99

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    California King Firm 10" Foam Mattress - Alwyn Home 10-Inch Medium Tight top High Density Rolled | 10 H x 76 W D in Wayfair

    California King Firm 10" Foam Mattress - Alwyn Home 10-Inch Medium Tight top High Density Rolled | 10 H x 76 W D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for simple setup, easily fits through narrow... more

    $1,398.58 $589.99

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    California King Firm 7" Foam Mattress - Alwyn Home 7-Inch Medium Tight top High Density Rolled | 84 H x 72 W 7 D in Wayfair

    California King Firm 7" Foam Mattress - Alwyn Home 7-Inch Medium Tight top High Density Rolled | 84 H x 72 W 7 D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for simple setup, easily fits through narrow... more

    $1,124.02 $459.99

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    California King Firm 8" Foam Mattress - Alwyn Home 8-Inch Medium Tight top High Density Rolled | 84 H x 72 W 8 D in Wayfair

    California King Firm 8" Foam Mattress - Alwyn Home 8-Inch Medium Tight top High Density Rolled | 84 H x 72 W 8 D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for simple setup, easily fits through narrow... more

    $1,215.54 $519.99

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    California King Firm 5" Mattress - Spinal Solution 5-Inch Medium Water Resistance Nylon Vinyl Dual Sided Mattress, Noiseless, Soft Cloud Feeling | 84 H x 72 W 5 D in Wayfair

    California King Firm 5" Mattress - Spinal Solution 5-Inch Medium Water Resistance Nylon Vinyl Dual Sided Mattress, Noiseless, Soft Cloud Feeling | 84 H x 72 W 5 D in Wayfair

    Basically, if adults are sleeping on your mattresses, you probably want to have nylon. Its breathability allows your guests to sleep cooler, so you don't have to worry that they'll wake up in the middle of the night dripping with sweat as they throw... more

    $1,006.82 $429.99

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    California King Medium Firm 14" Gel/Foam Mattress - Alwyn Home Palatino 14 Inch Gel Infused Memory Foam Hybrid Pocket Coils | 72 W x D in Wayfair

    California King Medium Firm 14" Gel/Foam Mattress - Alwyn Home Palatino 14 Inch Gel Infused Memory Foam Hybrid Pocket Coils | 72 W x D in Wayfair

    The 14-inch hybrid mattress perfectly combines soft gel-infused memory foam with a supportive pocket coil base, creating a medium firmness that's suitable for all kinds of sleepers. You could enjoy the softness from the euro top without sacrificing... more

    $849.99 $529.99

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    California King Firm 7" Mattress - Spinal Solution 7-Inch Medium Water Resistance Nylon Vinyl Dual Sided Mattress, Noiseless, Soft Cloud Feeling | 84 H x 72 W 7 D in Wayfair

    California King Firm 7" Mattress - Spinal Solution 7-Inch Medium Water Resistance Nylon Vinyl Dual Sided Mattress, Noiseless, Soft Cloud Feeling | 84 H x 72 W 7 D in Wayfair

    If adults are sleeping on your mattresses, you probably want to have nylon. Its breathability allows your guests to sleep cooler, so you don't have to worry that they'll wake up in the middle of the night dripping with sweat as they throw off their... more

    $1,185.08 $489.99

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    Alwyn Home 7-Inch Medium Firm High Density Poly Foam Mattress & Unassembled Wood Boxspring/Foundation Set | 15 H x 72 W x 84 D in | Wayfair

    Alwyn Home 7-Inch Medium Firm High Density Poly Foam Mattress & Unassembled Wood Boxspring/Foundation Set | 15 H x 72 W x 84 D in | Wayfair

    A medium-firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. The foam mattress has a quilted cover for added comfort. It is compressed, rolled, and shipped in a box for a simple setup; it easily fits... more

    $1,704.21 $559.99

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    Alwyn Home 7-Inch Medium Firm High Density Poly Foam Mattress & Unassembled Wood Boxspring/Foundation Set | 11 H x 72 W x 84 D in | Wayfair

    Alwyn Home 7-Inch Medium Firm High Density Poly Foam Mattress & Unassembled Wood Boxspring/Foundation Set | 11 H x 72 W x 84 D in | Wayfair

    A medium-firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. The foam mattress has a quilted cover for added comfort. It is compressed, rolled, and shipped in a box for a simple setup; it easily fits... more

    $1,704.21 $559.99

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    California King Firm 14" Gel/Foam Mattress - RELYMATRE Medium-Firm Gel Memory Foam | 84 H x 72 W 14 D in Wayfair RE-MSCK0114

    California King Firm 14" Gel/Foam Mattress - RELYMATRE Medium-Firm Gel Memory Foam | 84 H x 72 W 14 D in Wayfair RE-MSCK0114

    The 14-inch Memory Foam Hybrid Mattress is the perfect combination of soft and firm. It ensures that your body weight is evenly distributed and your spine is naturally aligned. Enjoy a restful night's sleep whether you're lying on your back, side or... more

    $854.99 $799.99

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    California King Medium Firm 10" Memory Foam Mattress - Alwyn Home Morin No Infusions | 84 H x 72 W 10 D in Wayfair F0A188417E294B4FB8974790C0A9ABC7

    California King Medium Firm 10" Memory Foam Mattress - Alwyn Home Morin No Infusions | 84 H x 72 W 10 D in Wayfair F0A188417E294B4FB8974790C0A9ABC7

    Add a sense of comfort to your night with this 10-inch memory foam mattress. With a medium firmness, the layered foam produces an optimal level of pressure point relief and support that cannot be achieved by any traditional memory foam mattress.... more

    $735.99 $429.99

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    California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set | 74.5 H x 38 W 12 D in Wayfair 700810101-9970

    California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set | 74.5 H x 38 W 12 D in Wayfair 700810101-9970

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King Firm 12"... more

    $2,277.00 $1,250.00

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    California King Firm 12" Gel/Foam Mattress - RELYMATRE Medium Gel Memory Foam | 84 H x 72 W 12 D in Wayfair RE-MSCK0112

    California King Firm 12" Gel/Foam Mattress - RELYMATRE Medium Gel Memory Foam | 84 H x 72 W 12 D in Wayfair RE-MSCK0112

    The 12-inch Memory Foam Hybrid Mattress is the perfect combination of soft and firm. It ensures that your body weight is evenly distributed and your spine is naturally aligned. Enjoy a restful night's sleep whether you're lying on your back, side or... more

    $749.99

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    California King Medium Firm Foam Mattress - Rubbermaid | 72 W in Wayfair m4212

    California King Medium Firm Foam Mattress - Rubbermaid | 72 W in Wayfair m4212

    This 10 inch cooling gel memory foam mattress features a triple layer design with a soft knit cover, medium firm support, and responsive pressure relief in any sleep position Mattress Size: California King | California King Medium Firm Foam Mattress -... more

    $739.99 $679.99

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    California King Medium Firm Foam Mattress - Rubbermaid | 72 W in Wayfair m4222

    California King Medium Firm Foam Mattress - Rubbermaid | 72 W in Wayfair m4222

    This 12 inch cooling gel memory foam mattress features a triple layer design with a soft knit cover, medium firm support, and responsive pressure relief in any sleep position Mattress Size: California King | California King Medium Firm Foam Mattress -... more

    $859.99 $789.99

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    California King Firm 11" Mattress - Brooklyn Bedding Plank 11-Inch Two-Sided w/ Cooling Top | 84 H x 72 W 11 D in Wayfair BBPLCT1167

    California King Firm 11" Mattress - Brooklyn Bedding Plank 11-Inch Two-Sided w/ Cooling Top | 84 H x 72 W 11 D in Wayfair BBPLCT1167

    This dual-sided ultra-firm mattress allows you to choose between the firmest sleep experience available—or a medium-firm sleep experience. The choice is yours with just a flip of your mattress. This sleep surface is inspired by the minimalist approach... more

    $1,299.00

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    California King Firm 11" Mattress - Brooklyn Bedding Plank 11-Inch Two-Sided | 84 H x 72 W 11 D in Wayfair BBPL1167

    California King Firm 11" Mattress - Brooklyn Bedding Plank 11-Inch Two-Sided | 84 H x 72 W 11 D in Wayfair BBPL1167

    This dual-sided ultra-firm mattress allows you to choose between the firmest sleep experience available—or a medium-firm sleep experience. The choice is yours with just a flip of your mattress. This sleep surface is inspired by the minimalist approach... more

    $1,149.00

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    California King Medium 9" Latex Mattress - Alwyn Home Marlee Two-Sided | 84 H x 72 W 9 D in Wayfair 95E8B9D2A38D4F3B82325039FBFE6FFB

    California King Medium 9" Latex Mattress - Alwyn Home Marlee Two-Sided | 84 H x 72 W 9 D in Wayfair 95E8B9D2A38D4F3B82325039FBFE6FFB

    Experience all the benefits of 100 percent natural latex at a price point that won't keep you awake at night. This two-sided mattress solves the problem of not getting the proper firmness the first time around. Medium on one side, and Medium-Firm on... more

    $2,199.99

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    California King Medium 9" Latex Mattress - Alwyn Home Marlee Two-Sided | 84 H x 9 D in Wayfair FAC8AEFA61FF4A5CA1685A784EA4F0C0

    California King Medium 9" Latex Mattress - Alwyn Home Marlee Two-Sided | 84 H x 9 D in Wayfair FAC8AEFA61FF4A5CA1685A784EA4F0C0

    Experience all the benefits of 100 percent natural latex at a price point that won't keep you awake at night. This two-sided mattress solves the problem of not getting the proper firmness the first time around. Medium on one side, and Medium-Firm on... more

    $2,199.99

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    California King Medium 9.25" Foam Mattress - Purple | 80 H x 76 W 9.25 D in Wayfair 10-21-23960

    California King Medium 9.25" Foam Mattress - Purple | 80 H x 76 W 9.25 D in Wayfair 10-21-23960

    The bed that started it all, the Purple Mattress features two inches of breathable GelFlex Grid to cradle pressure points like hips and shoulders while keeping the rest of your body fully aligned. When paired with a dual-layer comfort foam base, the... more

    $1,999.00

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    California King Medium 13" Hybrid Mattress - Luuf Cooling Comfort 13 Inch | 84 H x 72 W D in Wayfair EJQMMBA-1070

    California King Medium 13" Hybrid Mattress - Luuf Cooling Comfort 13 Inch | 84 H x 72 W D in Wayfair EJQMMBA-1070

    How does a medium bed get so supportive? Our Best Seller! The Cooling Comfort Medium Hybrid is the best choice in the battle between plush and firm; Enjoy the best of both worlds with a plush bed feel that also has firm support. This Luxury Firm... more

    $1,875.00 $869.99

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    California King Medium 12" Memory Foam Mattress - Fangflower | 84 H x 72 W 12 D in Wayfair IDLE-MF12-CK

    California King Medium 12" Memory Foam Mattress - Fangflower | 84 H x 72 W 12 D in Wayfair IDLE-MF12-CK

    This 12-inch medium king mattress is ergonomically divided into 5 zones to achieve ideal body adaptation and support. It can provide support from head to toe, no matter what direction you are lying in. With well-designed soft shoulder support and firm... more

    $519.99

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    California King Medium 10" Memory Foam Mattress - Signature Design by Ashley Serena | 10 H x 72.05 W D in Wayfair M59251

    California King Medium 10" Memory Foam Mattress - Signature Design by Ashley Serena | 10 H x 72.05 W D in Wayfair M59251

    When it comes to your comfort, discover the Gruve 10-inch mattress. Its thick layer of memory foam conforms to your body, delivering amazing support, pressure relief, and comfort. The memory foam layer is paired with a super-thick layer of firm support... more

    $785.64 $539.99

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    More information about Mattresses & Boxsprings

    Best prices on Sleeplanner 9 inch medium firm in Mattresses & Boxsprings online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.